FSA IS-2-138 Headset Bearing - Silver, 48.9 mm/36°×45°

FSA IS-2-138 ACB 36ºx45º Duals Steering BearingRestore the precision and fluidity of your bicycle´s steering with the genuine FSA IS-2-138 ACB 36ºx45º Duals Steering Bearing. As a critical component in your bike´s headset, this high-quality spare part is engineered to bring back that factory-fresh, responsive feel to your handlebars, eliminating the notchy or loose sensation of a worn-out bearing. Designed for cyclists who demand reliability and performance, this bearing is the perfect solution for essential maintenance and upgrades on both high-performance road machines and rugged mountain bikes.Key Benefits:Experience a significant upgrade in steering performance and control. The core of this bearing´s superiority lies in its Angular Contact Bearing (ACB) design. Unlike standard radial bearings, ACBs are specifically engineered to handle both axial (vertical) and radial (side) loads simultaneously. This results in exceptionally smooth rotation under the combined forces of rider weigh